25Total Dams
12High Hazard
5Significant
Dam Safety in Navajo County, Arizona
Navajo County has 25 dams tracked in the National Inventory of Dams. Of these, 12 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Navajo County is 68 years old. The most common purpose is irrigation. The tallest dam is Schoens at 118 ft.
Explore more: Oldest dams in Arizona · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Schoens | High | Satisfactory | 118 | Flood Risk Reduction | 1988 |
| Jaques | High | Poor | 81 | Other | 1953 |
| Cholla Fly Ash Pond | High | Satisfactory | 80 | Other | 1978 |
| Fool Hollow | High | Poor | 78 | Recreation | 1956 |
| Cholla Bottom Ash Pond | High | Satisfactory | 73 | Other | 1978 |
| Black Canyon | High | Poor | 72 | Recreation | 1964 |
| Daggs | High | Fair | 57 | Irrigation | 1919 |
| Bootleg | High | Unsatisfactory | 41 | Recreation | 1965 |
| Cooley | High | Unsatisfactory | 36 | Recreation | 1963 |
| Millett Swale | High | Poor | 35 | Flood Risk Reduction | 1958 |
| Woodland | High | Fair | 18 | Irrigation | 1914 |
| North Ponding Dam | High | Fair | 8 | Flood Risk Reduction | 1977 |
| Scott | Significant | Fair | 38 | Irrigation | 1945 |
| Trophy Lake | Significant | Satisfactory | 33 | Recreation | 1975 |
| Lakeside | Significant | Fair | 21 | Irrigation | 1904 |
| Cholla Cooling Pond | Significant | Satisfactory | 13 | Other | 1961 |
| Jacques Marsh | Significant | Satisfactory | 9 | Fish and Wildlife Pond | 1988 |
| Lone Pine | Low | Satisfactory | 98 | Flood Risk Reduction | 1936 |
| Sevenmile Tank | Low | Not assessed | 32 | Recreation | |
| Mill Pond | Low | Not assessed | 30 | Irrigation | 1996 |
| Pace Tank Dam | Low | Not assessed | 14 | Irrigation | |
| Clear Creek #2 | Low | Not assessed | 12 | Irrigation | 1986 |
| Taylor Wwtp (basins 1 & 2) | Low | Not assessed | 10 | Other | |
| Lake of the Woods | Low | Not assessed | 10 | Fish and Wildlife Pond | 1934 |
| Clear Creek #1 | Low | Not assessed | 7 | Irrigation | 1929 |